convert: reenable SVN support after license issue solved

hgext/convert/subversion.py

@@ -22,7 +22,6 b' from common import NoRepo, MissingTool, '
 from common import commandline, converter_source, converter_sink, mapfile
 
 try:
-    raise ImportError("SVN support disabled due to license incompatibility")
     from svn.core import SubversionException, Pool
     import svn
     import svn.client

tests/hghave

@@ -128,10 +128,8 b' def has_rst2html():'
     return False
 
 def has_svn():
-    #return matchoutput('svn --version 2>&1', r'^svn, version') and \
-        #matchoutput('svnadmin --version 2>&1', r'^svnadmin, version')
-    # disabled until licensing issue is resolved
-    return False
+    return matchoutput('svn --version 2>&1', r'^svn, version') and \
+        matchoutput('svnadmin --version 2>&1', r'^svnadmin, version')
 
 def has_svn_bindings():
     try: